Home / 10,789,178.40-16,183,776.81-3,007,784.21

Finding the Fourth Proportional to 10,789,178.40, 16,183,776.81 and 3,007,784.21

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Solution

The fourth proportional to 10,789,178.40, 16,183,776.81 and 3,007,784.21 is: 4,511,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,178.40 : 16,183,776.81 = 3,007,784.21 : x
  2. Step 2: Convert to fraction form
    10,789,178.40/16,183,776.81 = 3,007,784.21/x
  3. Step 3: Cross multiply
    10,789,178.40x = 16,183,776.81 × 3,007,784.21
  4. Step 4: Simplify right side
    10,789,178.40x = 48,677,308,266,363.29
  5. Step 5: Solve for x
    x = 48,677,308,266,363.29/10,789,178.40
  6. Step 6: Final answer
    x = 4,511,678.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.